Holley Standalone ECU Tuning GM User configurable display via buttons

User configurable display via buttons on the gauge face for changing AFR values

and complete optimization of spark

Please ensure your vehicle is CAN-based

fan control

stroker motores

Holley Standalone ECU Tuning GM User configurable display via buttonsHolley Standalone ECU Remote Tuning Complete custom calibration support for Holley EFI ECU,s HP, Dominator, Terminator X. What's Included: Custom base calibration tailored to your exact build Startup, idle, part throttle, and WOT tuning Fueling and timing optimization for drivability and power Boost, flex fuel, nitrous, multiple power adders Revision support via datalogs and email Requirements: Holley EFI system installed and wired correctly Wideband